A woman walks past “Umbrellas” sculpture, by George Zongolopoulos, at the seafront of the northern Greek city of Thessaloniki, on Tuesday, January 10, 2017. Snow closed hundreds of schools in the country, as added pressure on the government to speed up winter preparations for thousands of refugees living in camps around the country. (Photo by Giannis Papanikos/AP Photo)

A man pushes a car from the snow after his driver lost control, in Malakasa about 29 kilometers (24 miles) north of Athens on Tuesday, January 10, 2017. Snow closed schools in the capital, as added pressure on the government to speed up winter preparations for thousands of refugees living in camps around the country. (Photo by Thanassis Stavrakis/AP Photo)

A lone plow clears a playground in lower Manhattan, photographed from New York's One World Trade Center building, Monday, January 9, 2017. As the East Coast waits to thaw out from a weekend icy mess, another storm is bringing rain and the potential of the worst flooding in more than a decade to the West coast. (Photo by Richard Drew/AP Photo)

Members of police special forces patrol at the main shopping and pedestrian street of Istiklal during a snowfall in central Istanbul, Turkey January 9, 2017. (Photo by Murad Sezer/Reuters)

A street vendor sells simit, the traditional Turkish sesamed bread, at the main shopping and pedestrian street of Istiklal during a snowfall in central Istanbul, Turkey January 9, 2017. (Photo by Murad Sezer/Reuters)

A man holds his umbrella during snowfall on the Areopagitou pedestrian street beneath the Acropolis hill during snowfall in Athens, Greece, January 10, 2017. (Photo by Alkis Konstantinidis/Reuters)

A person walks at the snow covered main cemetery in Hanau, near Frankfurt, Germany, January 10, 2017. (Photo by Kai Pfaffenbach/Reuters)

A homeless man searches for warm clothing during a snowstorm in Skopje, Macedonia January 10, 2017. (Photo by Ognen Teofilovski/Reuters)

A goose feeds on the snow covered banks of the Main river in Frankfurt, Germany, January 10, 2017. (Photo by Kai Pfaffenbach/Reuters)

A woman walks in a snowstorm in Skopje, Macedonia January 10, 2017. (Photo by Ognen Teofilovski/Reuters)

A woman crosses the street as exhaust gasses are lit by early sunshine in Bucharest, Romania January 10, 2017. (Photo by Octav Ganea/Reuters/Inquam Photos)

A snow covered T-Rex life size dinosaur sculpture is pictured at the Senckenberg Natural History Museum in Frankfurt, Germany, January 10, 2017. (Photo by Kai Pfaffenbach/Reuters)

A man rides his bike during heavy snowfall at the seaside promenade of the northern port city of Thessaloniki, Greece January 10, 2017. (Photo by Alexandros Avramidis/Reuters)

A woman poses with a snowman, with the Maiden's Tower in the background, in Istanbul, Turkey January 10, 2017. (Photo by Yagiz Karahan/Reuters)

An climber gets ready to ascends the Kadzielnia hill covered in ice near Kielce, Poland January 10, 2017. (Photo by Pawel Malecki/Reuters/Agencja Gazeta)

A person walks along a bank of the Yenisei river on a frosty winter day outside Krasnoyarsk, Siberia, Russia January 11, 2017. (Photo by Ilya Naymushin/Reuters)

Statues of the Virgin Mary and Saint Charbel are pictured on snow-covered rocks in Zaarour, in the Mount Lebanon Governorate January 11, 2017. (Photo by Mohamed Azakir/Reuters)

Fishing boats are stuck in the frozen Dojran lake, Macedonia January 11, 2017, as icy weather continues across Europe. (Photo by Ognen Teofilovski/Reuters)

A fishing boat is stuck in the frozen Dojran lake, Macedonia January 11, 2017, as icy weather continues across Europe. (Photo by Ognen Teofilovski/Reuters)

A fisherman walks next to the boat stuck in the frozen Dojran lake, Macedonia January 11, 2017. (Photo by Ognen Teofilovski/Reuters)

Birds gather near the last unfrozen part of the frozen Dojran lake, Macedonia January 11, 2017, as icy weather continues across Europe. (Photo by Ognen Teofilovski/Reuters)

People pass by an illuminated big tree in the Palmengarten Park in Frankfurt, Germany, Tuesday, January 10, 2017. (Photo by Michael Probst/AP Photo)

A woman walks through steam from an underground ventilation, as temperatures dropped below minus 20 degrees Centigrade ( minus 4 Fahrenheit) in Bucharest, Romania, Tuesday, January 10, 2017. Romania's Energy Minister Toma Petcu said neighboring Bulgaria had urgently asked for extra electricity, but the request was declined since the cold weather has stretched Romania's power grid and natural gas consumption in Romania could reach an all-time high due to the frigid temperatures. (Photo by Vadim Ghirda/AP Photo)